Welcome to our CBR sprint car product page. CBR is a division of JC Customs specializing in sprint car products. We strive to bring our customers top shelf components to compete at the highest level but also be easy on the wallet. We are developing a ton of products and will be releasing them here. If there is something your in need of drop us a line using our contact page. Charles Brothers Racing aka CBR engineered to race sprint car components is comprised of 3 brothers who love to race and make quality products. For racers by racers.